Mississippi Mud Pie Recipe

5-layer Mississippi Mud Pie with a slice out of it.

Mississippi Mud Pie is a decadent layered dessert that starts with an Oreo crumb crust. Next comes a fudgy chocolate cake that is smothered with a layer of chocolate mousse. Piles of fluffy whipped cream top this incredible dessert! A chocolate lovers dream!

Slice of Mississippi Mud pie with the whole pie in the background.

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What is Mississippi Mud Pie?

The term “Mississippi Mud Pie” can mean different things to different people. There are so many variations of this recipe! Some have an Oreo crust, while others have a graham cracker crust. Some have a flourless cake or brownie layer and others go straight to the pudding. You will even find some recipes topped with ice cream and others with whipped cream!

The one thing that makes it a Mississippi Mud Pie is that it is a chocolate based dessert with several layers.

This Mississippi Mud Pie Has 5 Decadent Layers:

  • An Oreo cookie crust
  • Fudgy chocolate cake
  • Chocolate mousse
  • Whipped Cream
  • Thick and gooey hot fudge to top it off

Interested in how Mississippi Mud Pie came to be? Take a look at our Mississippi State Dinner post, where we share the history of Mississippi Mud Pie and some other iconic Mississipi Dishes!

How to Make Mississippi Mud Pie

It Starts With an Oreo Crumb Crust

  • Start out by making Oreo crumbs. My favorite way to do this is by placing the whole Oreos into a food processor, and pulsing until they are fine crumbs. You can also place them in a zip-top bag, press all of the air out, and hit it with a rubber mallet. You can even use a rolling pin to crush the cookies!
  • If you are using the food processor, pour your melted butter over the Oreos and run the processor until the butter is mixed in. If you are crushing by hand, pour the crumbs into a bowl, add in the melted butter, and mix well.
  • Whether you are making this in a deep-dish pie plate or a springform pan, the process is the same. Pour the cookie crumbs into the pan.
  • Once the crumbs are spread evenly, use a measuring cup or small bowl to press into the bottom and sides of the pie plate.
Oreo cookie crust in a springform pan with a broken cookie in the bottom right of photo.

Make a Fudgy Chocolate Batter

  • When you have a lot of different components in a recipe then I think it is helpful to take some shortcuts where you can. This recipe uses a brownie mix as the base for the fudgy chocolate cake layer.
  • We aren’t baking the brownies according to the package directions.
  • Instead, add melted butter, espresso powder, and eggs. This makes them rich and delicious! The espresso powder brings out the chocolate flavor.
Flourless chocolate cake batter is spread over the Oreo crust.

Prepare the Whipped Cream

  • In this recipe we use stabilized whipped cream instead of regular whipped cream, because regular whipped cream will start to weep over time, leaving your dessert a soggy, drippy mess.
  • Lucky for us, it is easy to stabilize! Just at 1/4 teaspoon of cream of tartar to the cream.
Whipped cream in a Kitchen Aid bowl, with big clump of whipped cream on the whisk.

Whip Together the Mousse Layer

  • The mousse has another shortcut! We are using instant chocolate pudding as the base! Mix in some milk, then add in vanilla extract and Dutch-processed cocoa powder to boost the flavor.
  • That mixture sits for 5 minutes to thicken, and then we fold in some of the whipped cream to make it a nice and fluffy mousse.
Chocolate mousse ingredients laid out on a counter, including pudding, whipped cream, milk, vanilla and Dutch-processed cocoa.

Top the Pie

  • Once the mousse is spread over the cooled cake, use the remaining whipped cream and pile it as high as you can handle! I like a nice and thick layer of whipped cream on my pie.
  • Finish off your Mississippi Mud Pie with the garnish of your choice, like this thick hot fudge sauce, or chocolate shavings.
Mississippi Mud Pie with hot fudge being poured out of a jar over the top of the pie.

Frequently Asked Questions

Can I add nuts?

If you would like to add nuts, pecans or walnuts would be a delicious additions! Mix in 1/2 cup into the cake layer prior to baking. You could also add chopped nuts on top of the pie.

Can I leave out a layer?

You will find so many different versions of this pie and you can certainly create your own customizations! Some people leave out the cake layer, so that it is just a pudding pie. Others leave out the mousse layer. Mix it up and make it in the way that is perfect for you!

Can you freeze Mississippi Mud Pie?

Freezing Mississippi Mud Pie takes this dessert to a whole new level! The cake layer stays fudgy and the mousse and whipped cream become like ice cream. I highly recommend it!

You can also freeze it, then thaw it in the refrigerator for 24 hours prior to serving.

Whole Mississippi Mud Pie with cake server and knife in front, and jar of hot fudge in background.

If you like this recipe, please share it with your friends! And once you taste it, let me know your thoughts by providing a review.

Slice of pie with a bite out of it.

Mississippi Mud Pie

Decadent layers of a chocolate cookie crust, fudgy cake, rich chocolate mousse, and creamy whipped cream make up this indulgent dessert.
Prep Time 30 mins
Cook Time 45 mins
Cooling and Setting Time 3 hrs 30 mins
Total Time 4 hrs 45 mins
Course Dessert
Cuisine American
Servings 16
Calories 596 kcal

Ingredients
 
 

Crust

  • 40 Oreo cookies (16 ounces)
  • 5 tablespoons melted butter

Fudge Cake Layer

  • 1 box brownie mix (19 ounces)
  • 1/2 cup melted butter
  • 2 eggs
  • 2 tablespoons espresso powder

Stabilized Whipped Cream (Separated)

  • 3 cups heavy cream (1 1/2 pints)
  • 1/2 cup granulated sugar
  • 1/3 teaspoon cream of tartar
  • 1 1/2 teaspoons vanilla extract

Chocolate Pudding Layer

  • 1 box instant chocolate pudding (5.1 ounces)
  • 2 tablespoons Dutch-processed cocoa
  • 2 cups milk
  • 1 teaspoons vanilla extract

Topping

  • hot fudge or chocolate shavings

Instructions
 

Oreo Crust

  • Place Oreos in your food processor and pulse about 20 times, until they become fine crumbs. If you do not have a food processor, place them in a zip-top bag. Press the air out, and then smash them with a rubber mallet or crush with a rolling pin.
    Pour in melted butter and mix well.
  • Pour into a pie plate or springform pan and press firmly into the bottom and sides of the pan.
    Place in the refrigerator while preparing the batter.

Fudgy Chocolate Cake Layer

  • Preheat oven to 350 degrees.
  • Do not prepare the brownies according to package directions. Instead, mix together the dry brownie mix, melted butter, espresso powder, and eggs.
  • Pour over the Oreo crust and bake for 30 minutes, until edges are set and cracks have started to form on the top.
  • Cool completely, at least 90 minutes. May be made a day ahead.

Stabilized Whipped Cream

  • In a large mixing bowl, beat the heavy cream with a whisk attachment on medium-high speed until it begins to thicken.
    Add in the sugar, vanilla extract, and cream of tartar. Turn mixer onto high speed and continue to beat until soft peaks form.
    Remove 2 cups to fold into the pudding, and refrigerate the remaining whipped cream until ready to layer on the pie.

Chocolate Pudding Layer

  • In a large bowl, whisk together the pudding mix and cocoa, ensuring there are no large cocoa clumps.
    Add in milk and vanilla, and whisk for 2 minutes. Let stand for an additional 5 minutes to thicken.
    Gently fold in 2 cups of prepared stabalized whipped cream.
    Refrigerate until ready to use.
    Once the fudge cake layer has cooled for at least 90 minutes, spread the pudding layer over the top and refrigerate for at leaset 2 hours.

Topping the Pie

  • When ready to serve, spread the remaining whipped cream over the pudding.
  • Drizzle hot fudge sauce or chocolate shavings.

Nutrition

Calories: 596kcalCarbohydrates: 61gProtein: 6gFat: 37gSaturated Fat: 20gCholesterol: 109mgSodium: 437mgPotassium: 202mgFiber: 1gSugar: 40gVitamin A: 1022IUVitamin C: 1mgCalcium: 78mgIron: 4mg
Keyword chocolate, pie, rich desserts
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